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All Journal JURNAL TEKNOLOGI LINGKUNGAN Jurnal Energi dan Lingkungan (Enerlink) Asian Journal of Aquatic Sciences Makara Journal of Science
Hanies Ambarsari
Institute of Environmental Technology (BTL), Indonesian Agency for Assessment and Application of Technology (BPPT), Building 412 PUSPIPTEK Serpong, Tangerang Selatan 15314, Indonesia
Agriculture, Biological Sciences & Forestry Energy Environmental Science

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Spirulina platensis GROWTH IN POLLUTED DOMESTIC WASTE WATER MEDIUM AND ITS UTILIZATION AS A RAW MATERIAL FOR BIOGAS PRODUCTION Sinaga, Rugun; Effendi, Irwan; Mubarak, Mubarak; Ambarsari, Hanies
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in April - June 2019, located at the Center for Environmental Technology Laboratory (PTL) - Agency for the Assessment and Application of Technology (BPPT), Building 820 Geostech, Puspitek Serpong, South Tangerang. The purpose of this study was to determine the biogas production from S. platensis microalgae grown in polluted domestic waste media from Muara Angke waters with different concentrations. The method used in this study is an experimental method with a Completely Randomized Design (CRD) with 3 different treatments of S. platensis concentrations consisting of 5% v/v, 15% v/v and 25% v/v performed three repetitions with the addition cow manure substrate and control without the addition of cow manure substrate. The parameters observed were physical parameters, chemical parameters, biomass calculations and biogas volume measurements. Data were analyzed and tested statistically using Analysis Of Variance (ANOVA) and further tested using the LSD test to compare between treatments with a 95% confidence level. Biogas is energy that can be used as an alternative fuel to replace fossil fuels such as petroleum and natural gas. The results showed that S. platensis with the addition of cow dung could produce more biogas volume (4453.6 cm) than S. platensis without the addition of cow dung (697.19 cm). Biogas volume is measured using the gas holder method.
UTILIZATION OF MICROALGAE Scenedesmus vacuolatus AS A PHOSPHATE (PO43-) BIOREMEDIATOR IN DOMESTIC WASTEWATER Fathoni, Ahmad Yusron; Nursyirwani, Nursyirwani; Effendi, Irwan; Ambarsari, Hanies
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in October 2019 to determine the effect of differences in the addition of KH2PO4 concentrations and the concentration of microalgae Scendesmus vacuolatus with experiment method. The results showed significant effect was found on differences in microalgae concentration and KH2PO4 concentration. KH2PO4 with the concentration of 8 ppm is the most influential on decreasing phosphate levels than KH2PO4 with 5 ppm. The highest samples in phosphate reduction were A2, B2 and C2 with different algal formulations and 8 ppm KH2PO4 concentration. Two-way ANOVA test showed sig. 0.000, Which was mean that there were significant effect to decrease levels of phosphate based on concentration. Post hoc DMRT which has a significantly different dominance value of KH2PO4 concentration results that A1, B1, C1 with A2, B2, C2 have significant differences in the decrease in phosphate levels due to differences in KH2PO4 levels.
Removal of heavy metals from motorcycle washing wastewater using a zeolite-embedded sheet Takarina, Noverita Dian; Ambarsari, Hanies; Pramudyawardhani, Sekar Arum; Rahmawati, Maria Fatima Niken Kris; Johan, Erni; Matsue, Naoto; Adidharma, Mohammad Afdhal
Makara Journal of Science Vol. 29, No. 2
Publisher : UI Scholars Hub

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Abstract

The increased use of motorcycles for transportation has heightened environmental challenges related to their washing, particularly the discharge of untreated wastewater containing heavy metals, such as copper (Cu) and lead (Pb), into drainage systems. This study explored the effectiveness of zeolite-embedded sheets (ZESs) in the removal of these pollutants from motorcycle washing wastewater. ZESs were prepared through treatment of nonwoven sheets with Linder Type A (LTA Zeolite) powder and heat treatment, washing, and drying. Characterization was performed via scanning electron microscopy with energy-dispersive X-ray spectroscopy, and Fourier transform infrared spectroscopy. Over a 60 min adsorption period, the ZES achieved removal efficiencies of 40% for Cu after 30 min and 70% for Pb after 60 min. The results confirm that ZESs are a promising adsorbent for heavy-metal remediation and particularly effective for lead removal in motorcycle washing wastewater.
Co-Authors Adidharma, Mohammad Afdhal Agustiani, Tia Asep Saefumillah Asriyani, Luftiara Charlena Dominikus H Akhadi, Dominikus H Fathoni, Ahmad Yusron Halima, Asyatul Irwan Effendi Irwan Irwan Johan, Erni KENJI SONOMOTO Manurung, Brian Saputra Matsue, Naoto Mubarak Mubarak Mulyono Mulyono Noverita Dian Takarina Dian Takarina Nursyirwani, Nursyirwani Pramudyawardhani, Sekar Arum Qisthi, Aulia Rahmawati, Maria Fatima Niken Kris Ridlo, Aflakhur Rudi Nugroho Sinaga, Rugun Suciati, Fuzi Susi Sulistia, Susi Syah, Iman Udayani, Julia Elisa Wage Komarawidjaja